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socket Select api problem.
Dear all,
I'm fighting with a problem with the select() command in a socket
connection.
The Select always return with rc=1 even if there is nothing to read.
See the code below witch is involving the socket.
What is wrong on this?
Greetings
Hendrik Kroon
Ps. Code also in attachment
D TCP S 10I 0
D RC S 10I 0
C MOVE PRTNUM $H05N0
C EVAL TCP = TCP_conn(IPADDR:
C $H05N0)
C eval tv_len =
%size(timeval)
C alloc tv_len
tv
C eval p_timeval =
tv
C eval tv_sec =
10
C eval tv_usec =
500000
C callp
FD_ZERO(readset)
C callp FD_SET(TCP:
readset)
* call
select.
C eval rc = select(TCP+1:
%addr(readset):
c *NULL:
*NULL:
c
p_timeval)
In this case, even if there is nothing to read on the socket the
program immediately returns with rc=1
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Checked by AVG Free Edition.
Version: 7.1.408 / Virus Database: 268.13.2/471 - Release Date:
10/10/2006
D TCP S 10I 0
D RC S 10I 0
C MOVE PRTNUM $H05N0
C EVAL TCP = TCP_conn(IPADDR:
C $H05N0)
C eval tv_len = %size(timeval)
C alloc tv_len tv
C eval p_timeval = tv
C eval tv_sec = 10
C eval tv_usec = 500000
C callp FD_ZERO(readset)
C callp FD_SET(TCP: readset)
* call select.
C eval rc = select(TCP+1: %addr(readset):
c *NULL: *NULL:
c p_timeval)
In this case, even if there is nothing to read on the socket the program immediately returns with rc=1
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